diff --git a/MAME.Unity/Assets/Script/UMAME/UMAME.cs b/MAME.Unity/Assets/Script/UMAME/UMAME.cs
index 3c661c5..dea0252 100644
--- a/MAME.Unity/Assets/Script/UMAME/UMAME.cs
+++ b/MAME.Unity/Assets/Script/UMAME/UMAME.cs
@@ -46,7 +46,7 @@ public class UMAME : MonoBehaviour
 #elif UNITY_ANDROID
     public static string EmuDataPath => Application.persistentDataPath;
 #elif UNITY_PSP2
-	public static string EmuDataPath => Application.dataPath;
+	public static string EmuDataPath => "ux0:data/MAME.Unity";
 #else
     public static string EmuDataPath => Application.persistentDataPath;
 #endif
diff --git a/MAME.Unity/Assets/Script/UMAME/UniInterface/KeyCodeCore.cs b/MAME.Unity/Assets/Script/UMAME/UniInterface/KeyCodeCore.cs
index 95e66bb..de1ce28 100644
--- a/MAME.Unity/Assets/Script/UMAME/UniInterface/KeyCodeCore.cs
+++ b/MAME.Unity/Assets/Script/UMAME/UniInterface/KeyCodeCore.cs
@@ -1,9 +1,7 @@
-using AxiReplay;
-using MAME.Core;
+using MAME.Core;
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Runtime.InteropServices.ComTypes;
 using UnityEngine;
 
 public class KeyCodeCore : IKeyboard